4778948 has 12 divisors (see below), whose sum is σ = 8381100. Its totient is φ = 2384352.

The previous prime is 4778933. The next prime is 4778953. The reversal of 4778948 is 8498774.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 3319684 = 1208^2 + 1822^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478 + ... + 3426.

It is an arithmetic number, because the mean of its divisors is an integer number (698425).

Almost surely, 2^4778948 is an apocalyptic number.

It is an amenable number.

4778948 is a deficient number, since it is larger than the sum of its proper divisors (3602152).

4778948 is a wasteful number, since it uses less digits than its factorization.

4778948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2564 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 4778948 is about 2186.0805108687. The cubic root of 4778948 is about 168.4395613088.

The spelling of 4778948 in words is "four million, seven hundred seventy-eight thousand, nine hundred forty-eight".